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A352149 as a simple table

na(n)
00
11
25
320
490
5499
63395
727474
8256984
92720169
1032080501
11416574212
125900292266
1390461885331
141491788697451
1526318520300986
16494449968500832
179852544385880961
18207497251731808341
194604297325494524516
20107348917822006139114
212623224641748615607715
2267035139167875735937219

[0,1,5,20,90,499,3395,27474,256984,2720169,
 32080501,416574212,5900292266,90461885331,
 1491788697451,26318520300986,494449968500832,
 9852544385880961,207497251731808341,
 4604297325494524516,107348917822006139114,
 2623224641748615607715,67035139167875735937219]